New Hampshire Code of Administrative Rules
Env - Department of Environmental Services
Subtitle Env-Wt - Wetlands Programs
Chapter Env-Wt 900 - STREAM CROSSINGS; CERTIFIED CULVERT MAINTAINER PROGRAM
Part Env-Wt 903 - STREAM CROSSINGS: CLASSIFICATIONS AND APPLICATIONS
Section Env-Wt 903.01 - Classification of Stream Crossings and Stream Crossing Projects
Current through Register No. 13, March 27, 2025
(a) Stream crossings shall be classified as tier 1, tier 2, tier 3, or tier 4 as specified in Env-Wt 904.03(a), Env-Wt 904.04(a), Env-Wt 904.05(a), or Env-Wt 904.06(a), respectively.
(b) A stream crossing project shall be classified as minimum impact, minor impact, or major impact based on (e) through (g), below.
(c) The requirements for the design of a stream crossing and the information that must be submitted with the application shall be based on the tier classification of the crossing, regardless of whether the project is a minimum impact, minor impact, or major impact project, except that if a tier 3 stream crossing is downgraded to a tier 2 or tier 1 crossing pursuant to Env-Wt 904.05(b) or (c), the design and application submission requirements of the final classification shall apply.
(d) The classification of a stream crossing project as minimum impact, minor impact, or major impact shall be used to determine the fee that must be submitted with the application and how the application is processed.
(e) A project shall be classified as a minimum impact project if (f) and (g), below, do not apply, only one stream crossing is included in the project, and the sole stream crossing is:
(f) A project shall be classified as a minor impact project if (g), below, does not apply, and:
(g) A stream crossing project shall be classified as a major impact project if:
#9714, eff 5-12-10